656607900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5492

約数の個数: 144

約数和(自身を含む): 2112309248

約数和(自身を除く): 1455701348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2325, 2418, 3100, 3900, 4030, 4650, 4836, 5431, 6045, 8060, 9300, 10075, 10862, 12090, 16293, 20150, 21724, 24180, 27155, 30225, 32586, 40300, 54310, 60450, 65172, 70603, 81465, 108620, 120900, 135775, 141206, 162930, 168361, 211809, 271550, 282412, 325860, 336722, 353015, 407325, 423618, 505083, 543100, 673444, 706030, 814650, 841805, 847236, 1010166, 1059045, 1412060, 1629300, 1683610, 1765075, 2020332, 2118090, 2188693, 2525415, 3367220, 3530150, 4209025, 4236180, 4377386, 5050830, 5295225, 6566079, 7060300, 8418050, 8754772, 10101660, 10590450, 10943465, 12627075, 13132158, 16836100, 21180900, 21886930, 25254150, 26264316, 32830395, 43773860, 50508300, 54717325, 65660790, 109434650, 131321580, 164151975, 218869300, 328303950, 656607900]

約数ペア:

[(1, 656607900), (2, 328303950), (3, 218869300), (4, 164151975), (5, 131321580), (6, 109434650), (10, 65660790), (12, 54717325), (13, 50508300), (15, 43773860), (20, 32830395), (25, 26264316), (26, 25254150), (30, 21886930), (31, 21180900), (39, 16836100), (50, 13132158), (52, 12627075), (60, 10943465), (62, 10590450), (65, 10101660), (75, 8754772), (78, 8418050), (93, 7060300), (100, 6566079), (124, 5295225), (130, 5050830), (150, 4377386), (155, 4236180), (156, 4209025), (186, 3530150), (195, 3367220), (260, 2525415), (300, 2188693), (310, 2118090), (325, 2020332), (372, 1765075), (390, 1683610), (403, 1629300), (465, 1412060), (620, 1059045), (650, 1010166), (775, 847236), (780, 841805), (806, 814650), (930, 706030), (975, 673444), (1209, 543100), (1300, 505083), (1550, 423618), (1612, 407325), (1860, 353015), (1950, 336722), (2015, 325860), (2325, 282412), (2418, 271550), (3100, 211809), (3900, 168361), (4030, 162930), (4650, 141206), (4836, 135775), (5431, 120900), (6045, 108620), (8060, 81465), (9300, 70603), (10075, 65172), (10862, 60450), (12090, 54310), (16293, 40300), (20150, 32586), (21724, 30225), (24180, 27155)]